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All results from a given calculation for C5H10O (2H-Pyran, tetrahydro-)

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-271.046629
Energy at 298.15K-271.059589
HF Energy-270.105750
Nuclear repulsion energy260.828546
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3159 2995 32.35      
2 A' 3145 2981 51.82      
3 A' 3133 2969 27.81      
4 A' 3082 2922 13.62      
5 A' 3069 2909 26.30      
6 A' 3018 2861 92.36      
7 A' 1527 1448 3.56      
8 A' 1512 1433 5.96      
9 A' 1496 1418 6.43      
10 A' 1447 1372 7.99      
11 A' 1402 1329 1.44      
12 A' 1354 1283 3.94      
13 A' 1301 1233 4.94      
14 A' 1199 1137 2.89      
15 A' 1068 1012 9.39      
16 A' 1038 984 9.28      
17 A' 905 858 20.99      
18 A' 879 833 4.79      
19 A' 842 798 3.64      
20 A' 566 537 3.65      
21 A' 433 410 0.93      
22 A' 411 390 4.75      
23 A' 257 244 4.47      
24 A" 3157 2993 39.28      
25 A" 3139 2976 29.52      
26 A" 3082 2921 32.28      
27 A" 3014 2857 21.61      
28 A" 1514 1435 0.26      
29 A" 1487 1409 2.43      
30 A" 1420 1346 6.65      
31 A" 1400 1327 0.84      
32 A" 1369 1298 0.30      
33 A" 1320 1251 7.72      
34 A" 1245 1180 37.45      
35 A" 1209 1146 0.05      
36 A" 1146 1086 63.21      
37 A" 1083 1027 17.51      
38 A" 997 945 2.76      
39 A" 905 858 0.96      
40 A" 824 782 0.73      
41 A" 449 426 0.01      
42 A" 249 236 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 32625.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 30925.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/TZVP
ABC
0.15750 0.15063 0.08748

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.684 -1.256 0.000
C2 0.652 1.312 0.000
H3 1.705 1.015 0.000
H4 0.615 2.403 0.000
C5 -0.022 0.733 1.247
C6 -0.022 0.733 -1.247
C7 -0.022 -0.792 -1.168
C8 -0.022 -0.792 1.168
H9 0.479 1.052 2.164
H10 0.479 1.052 -2.164
H11 -1.060 1.069 1.288
H12 -1.060 1.069 -1.288
H13 1.014 -1.160 -1.176
H14 1.014 -1.160 1.176
H15 -0.552 -1.232 -2.012
H16 -0.552 -1.232 2.012

Atom - Atom Distances (Å)
  O1 C2 H3 H4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14 H15 H16
O12.89433.29563.88272.43902.43901.42061.42063.37093.37092.68482.68482.06692.06692.01672.0167
C22.89431.09411.09181.53131.53132.49912.49912.18662.18662.15622.15622.76152.76153.45993.4599
H33.29561.09411.76462.14852.14852.75882.75882.48762.48763.05073.05072.56752.56753.76723.7672
H43.88271.09181.76462.17982.17983.46123.46122.55492.55492.49922.49923.77363.77364.31604.3160
C52.43901.53132.14852.17982.49462.85661.52691.09253.46291.09222.76073.24462.15913.84282.1744
C62.43901.53132.14852.17982.49461.52692.85663.46291.09252.76071.09222.15913.24462.17443.8428
C71.42062.49912.75883.46122.85661.52692.33663.84172.15503.25242.13471.09902.58881.08953.2543
C81.42062.49912.75883.46121.52692.85662.33662.15503.84172.13473.25242.58881.09903.25431.0895
H93.37092.18662.48762.55491.09253.46293.84172.15504.32851.77083.78024.04192.48184.87082.5110
H103.37092.18662.48762.55493.46291.09252.15503.84174.32853.78021.77082.48184.04192.51104.8708
H112.68482.15623.05072.49921.09222.76073.25242.13471.77083.78022.57703.91713.04704.05592.4656
H122.68482.15623.05072.49922.76071.09222.13473.25243.78021.77082.57703.04703.91712.46564.0559
H132.06692.76152.56753.77363.24462.15911.09902.58884.04192.48183.91713.04702.35141.77653.5523
H142.06692.76152.56753.77362.15913.24462.58881.09902.48184.04193.04703.91712.35143.55231.7765
H152.01673.45993.76724.31603.84282.17441.08953.25434.87082.51104.05592.46561.77653.55234.0245
H162.01673.45993.76724.31602.17443.84283.25431.08952.51104.87082.46564.05593.55231.77654.0245

picture of 2H-Pyran, tetrahydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C7 C6 111.630 O1 C7 H13 109.571
O1 C7 H15 106.167 O1 C8 C5 111.630
O1 C8 H14 109.571 O1 C8 H16 106.167
C2 C5 C8 109.607 C2 C5 H9 111.808
C2 C5 H11 109.410 C2 C6 C7 109.607
C2 C6 H10 111.808 C2 C6 H12 109.410
H3 C2 H4 107.666 H3 C2 C5 108.703
H3 C2 C6 108.703 H4 C2 C5 111.303
H4 C2 C6 111.303 C5 C2 C6 109.086
C5 C8 H14 109.536 C5 C8 H16 111.314
C6 C7 H13 109.536 C6 C7 H15 111.314
C7 O1 C8 110.655 C7 C6 H10 109.599
C7 C6 H12 108.035 C8 C5 H9 109.599
C8 C5 H11 108.035 H9 C5 H11 108.297
H10 C6 H12 108.297 H13 C7 H15 108.526
H14 C8 H16 108.526
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability